/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.catalina.tribes.transport;

import org.apache.catalina.tribes.Member;
import java.util.HashMap;

/**
 * 
 * @author Filip Hanik
 * @version 1.0
 * @since 5.5.16
 */

public class SenderState {

	public static final int READY = 0;
	public static final int SUSPECT = 1;
	public static final int FAILING = 2;
	/**
	 * The descriptive information about this implementation.
	 */
	private static final String info = "SenderState/1.0";

	protected static HashMap memberStates = new HashMap();

	public static SenderState getSenderState(Member member) {
		return getSenderState(member, true);
	}

	public static SenderState getSenderState(Member member, boolean create) {
		SenderState state = (SenderState) memberStates.get(member);
		if (state == null && create) {
			synchronized (memberStates) {
				state = (SenderState) memberStates.get(member);
				if (state == null) {
					state = new SenderState();
					memberStates.put(member, state);
				}
			}
		}
		return state;
	}

	public static void removeSenderState(Member member) {
		synchronized (memberStates) {
			memberStates.remove(member);
		}
	}

	// ----------------------------------------------------- Instance Variables

	private int state = READY;

	// ----------------------------------------------------- Constructor

	private SenderState() {
		this(READY);
	}

	private SenderState(int state) {
		this.state = state;
	}

	/**
	 * 
	 * @return boolean
	 */
	public boolean isSuspect() {
		return (state == SUSPECT) || (state == FAILING);
	}

	public void setSuspect() {
		state = SUSPECT;
	}

	public boolean isReady() {
		return state == READY;
	}

	public void setReady() {
		state = READY;
	}

	public boolean isFailing() {
		return state == FAILING;
	}

	public void setFailing() {
		state = FAILING;
	}

	// ----------------------------------------------------- Public Properties

}
